Heatpump question

/ Heatpump question #21  
My wife wants a ground source unit in the next addition to the house. Not sure if we will go with a commercial unit, or probably do some home brew version.

I am looking at horizontal trenches with the ground loops in them. I have the tools and equipment and the area to do that, but I would have to hire out the deep well type.

I would be very interested in following along if anyone goes that way.
 

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